Alex Stephen Markels, LCSW
Clinical Social Worker · San Rafael, CA
Alex Stephen Markels, LCSW is a clinical social worker with a practice address in San Rafael, California, and NPI 1467522367, issued on Nov 8, 2006. Check the license (California LCS 17346, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alex Stephen Markels
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- LCS 17346 CA
Self-reported in NPPES; status is on the state search - Practice location
- 600 5TH Ave, San Rafael, CA 94901
- Phone
- (415) 419-3638
- Enumerated
- Nov 8, 2006
- Record last updated
- Jun 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050408001116); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 36,261 in California → Look up another NPI →
Also registered at 600 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suzanne Adams, PH.D.Psychologist1588859987
- Rebecca Breen, LCSWClinical Social Worker1487725974
- Linda Budowski, LCSWMental Health Counselor1720109218
- Julia Chu, PH.D.Clinical Psychologist1588895999
- Susan Gitlin, LCSWClinical Social Worker1972782043
- Evelyn GrimaldiSocial Worker1437604550
Verify Alex Stephen Markels in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license LCS 17346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alex Stephen Markels among 36,261 clinical social worker records in California
Alex Stephen Markels, LCSW is one of 36,261 clinical social worker records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 91% newer
- In a Medicare fileNo · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1991 · median 2012 among the 4,008 with a school on file
- Record last updated2008 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
102 clinical social worker records list a practice address in San Rafael
They are 102 of the 3,159 NPPES records with a practice address in San Rafael, and 36,261 clinical social worker records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 36,261 in California → Every provider in San Rafael → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Sydne Bortel, MSWSan Rafael, CA 949011679629208
- Rebecca Breen, LCSWSan Rafael, CA 949011487725974
- Patricia Campbell, LCSWSan Rafael, CA 949011407951528
- Cayla Coleman, LCSWSan Rafael, CA 949011194831891
- John Gusman, LCSWSan Rafael, CA 949011407954571
- Robert Harris, MSW, JDSan Rafael, CA 949011982785507
- Jeffrey Helvig, LCSWSan Rafael, CA 949011922155290
- Kathleen Jarosz, MSWSan Rafael, CA 949011326196882
Common questions
What is Alex Stephen Markels, LCSW's NPI number?
Alex Stephen Markels, LCSW's National Provider Identifier (NPI) is 1467522367, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alex Stephen Markels, LCSW located?
The NPPES record lists a practice address at 600 5TH Ave, San Rafael, CA, 94901. Phone: (415) 419-3638. Providers update this record themselves, so call before visiting.
How can I verify Alex Stephen Markels, LCSW's license?
NPPES lists California license number LCS 17346, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.